109
TRAK Machine Tools
Southwestern Industries, Inc.
TRAK 3ntr 3D Printers
–
Maintenance & Troubleshooting Manual
6.36
Print Server
–
Firmware won’t flash anymore
For some reason, the permissions of the programs to be run to flash the firmware lost the original
permissions. To restore them:
1)
Log into print server using Putty
2)
Insert following commands:
“cd
/”
“cd
/usr/local/Repetier-Server/modules/firm
ware/bin”
“ls
l”
will give you the listing below. The left part of the listing MUST BE
“rwxrwxrwx”
. If it is like that,
then your print server install is OK. If not, go on reading
Figure 6.36.1
Data Display After “Is I” Command
3)
“sudo chmod a+rwx
*”
4)
Logout. Try flashing again
–
it should be possible now
6.37
Filament Sensor Doesn’t Work/Works Intermittently
If the
Filament Sensor doesn’
t work or works intermittently, perform these checks to determine one of
the possible reasons:
1)
Check the connector on motherboard
2)
Check filament quality/diameter
–
thin ones may trigger sensor
3)
Check the connectors on each filament sensor
4)
Open each sensor
o
Clean from powder or any filament residual
o
Check that soldered on sensor (g.18
–
2) ends are OK
